HTTP - HackMD

# HTTP ```c# using System; using System.IO; using System.Net; using System.Text; using System.Web; namespace SimpleHttpWebService { class Program { static void Main(string[] args) { HttpListener listener = new HttpListener(); listener.Prefixes.Add("http://localhost:8080/"); listener.Start(); Console.WriteLine("http://localhost:8080/"); while (true) { HttpListenerContext context = listener.GetContext(); HttpListenerRequest request = context.Request; HttpListenerResponse response = context.Response; if (request.HttpMethod == "GET") { // страница html с полями ввода string html = @" <html> <head> <meta charset='UTF-8'> </head> <body> <form method='POST'> <label for='name'>Имя :</label> <input type='text' name='name' id='name'><br> <label for='email'>Email:</label> <input type='email' name='email' id='email'><br> <label for='age'>Возраст:</label> <input type='number' name='age' id='age'><br> <input type='submit' value='Отправить'> </form> </body> </html>"; byte[] buffer = Encoding.UTF8.GetBytes(html); response.ContentLength64 = buffer.Length; response.ContentType = "text/html"; response.ContentEncoding = Encoding.UTF8; response.OutputStream.Write(buffer, 0, buffer.Length); } else if (request.HttpMethod == "POST") { var reader = new StreamReader(request.InputStream, request.ContentEncoding); string requestBody = reader.ReadToEnd(); var formData = HttpUtility.ParseQueryString(requestBody); string name = formData["name"]; string email = formData["email"]; string age = formData["age"]; // страница html с ответом string html = $@" <html> <head> <meta charset='UTF-8'> </head> <body> Привет, {name}! Тебе {age} и твоя почта {email} </body> </html>"; byte[] buffer = Encoding.UTF8.GetBytes(html); response.ContentLength64 = buffer.Length; response.ContentType = "text/html"; response.ContentEncoding = Encoding.UTF8; response.OutputStream.Write(buffer, 0, buffer.Length); } response.Close(); } } } } ```